A password cannot be specified in unzip (utils) function. The other function I am aware of, getZip (Hmisc), only works fo
unzip
utils
getZip
Hmisc
password ← "your password"
read.table(text=system(paste0("unzip -p -P ", password, " yourfile.zip ", "yourfile.csv"),intern = "TRUE"),stringsAsFactors=FALSE,header=TRUE,sep=",")